61536046450 has 48 divisors (see below), whose sum is σ = 116170689600. Its totient is φ = 24247609920.

The previous prime is 61536046433. The next prime is 61536046457. The reversal of 61536046450 is 5464063516.

It is a super-4 number, since 4×61536046450⁴ (a number of 44 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (61536046457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1427107 + ... + 1469593.

It is an arithmetic number, because the mean of its divisors is an integer number (2420222700).

Almost surely, 2^61536046450 is an apocalyptic number.

61536046450 is a deficient number, since it is larger than the sum of its proper divisors (54634643150).

61536046450 is a wasteful number, since it uses less digits than its factorization.

61536046450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42931 (or 42926 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 61536046450 in words is "sixty-one billion, five hundred thirty-six million, forty-six thousand, four hundred fifty".