126401953400 has 48 divisors (see below), whose sum is σ = 293955337440. Its totient is φ = 50548601600.

The previous prime is 126401953243. The next prime is 126401953409. The reversal of 126401953400 is 4359104621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126401953409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 780212 + ... + 928188.

It is an arithmetic number, because the mean of its divisors is an integer number (6124069530).

Almost surely, 2^126401953400 is an apocalyptic number.

126401953400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126401953400 is an abundant number, since it is smaller than the sum of its proper divisors (167553384040).

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

126401953400 is a wasteful number, since it uses less digits than its factorization.

126401953400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152264 (or 152255 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 126401953400 in words is "one hundred twenty-six billion, four hundred one million, nine hundred fifty-three thousand, four hundred".