126031355400 has 96 divisors (see below), whose sum is σ = 399009997440. Its totient is φ = 32893282560.

The previous prime is 126031355399. The next prime is 126031355407. The reversal of 126031355400 is 4553130621.

It is a super-2 number, since 2×126031355400² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (126031355407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2206399 + ... + 2262798.

It is an arithmetic number, because the mean of its divisors is an integer number (4156354140).

Almost surely, 2^126031355400 is an apocalyptic number.

126031355400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126031355400 is an abundant number, since it is smaller than the sum of its proper divisors (272978642040).

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

126031355400 is a wasteful number, since it uses less digits than its factorization.

126031355400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4469263 (or 4469254 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The spelling of 126031355400 in words is "one hundred twenty-six billion, thirty-one million, three hundred fifty-five thousand, four hundred".