126636849460 has 192 divisors, whose sum is σ = 315894620160. Its totient is φ = 42130368000.

The previous prime is 126636849457. The next prime is 126636849487. The reversal of 126636849460 is 64948636621.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 98091415 + ... + 98092705.

It is an arithmetic number, because the mean of its divisors is an integer number (1645284480).

Almost surely, 2^126636849460 is an apocalyptic number.

126636849460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126636849460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157947310080).

126636849460 is an abundant number, since it is smaller than the sum of its proper divisors (189257770700).

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

126636849460 is a wasteful number, since it uses less digits than its factorization.

126636849460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2118 (or 2116 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 55.

The spelling of 126636849460 in words is "one hundred twenty-six billion, six hundred thirty-six million, eight hundred forty-nine thousand, four hundred sixty".