61926322500 has 675 divisors, whose sum is σ = 238338987579. Its totient is φ = 13975416000.

The previous prime is 61926322481. The next prime is 61926322519. The reversal of 61926322500 is 522362916.

The square root of 61926322500 is 248850.

It is a perfect power (a square), and thus also a powerful number.

61926322500 is a `hidden beast` number, since 6 + 1 + 92 + 63 + 2 + 2 + 500 = 666.

It is an interprime number because it is at equal distance from previous prime (61926322481) and next prime (61926322519).

It can be written as a sum of positive squares in 2 ways, for example, as 4855023684 + 57071298816 = 69678^2 + 238896^2 .

It is a tau number, because it is divible by the number of its divisors (675).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 224 ways as a sum of consecutive naturals, for example, 783877461 + ... + 783877539.

Almost surely, 2^61926322500 is an apocalyptic number.

61926322500 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

61926322500 is the 248850-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61926322500

61926322500 is an abundant number, since it is smaller than the sum of its proper divisors (176412665079).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61926322500 is an equidigital number, since it uses as much as digits as its factorization.

61926322500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

Multiplying 61926322500 by its sum of digits (36), we get a square (2229347610000 = 1493100²).

61926322500 divided by its sum of digits (36) gives a square (1720175625 = 41475²).

The spelling of 61926322500 in words is "sixty-one billion, nine hundred twenty-six million, three hundred twenty-two thousand, five hundred".