400273366000926 has 32 divisors (see below), whose sum is σ = 901495440147456. Its totient is φ = 117382218768000.

The previous prime is 400273366000919. The next prime is 400273366000927. The reversal of 400273366000926 is 629000663372004.

It is a happy number.

It is a super-2 number, since 2×400273366000926² (a number of 30 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400273366000927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97818513595 + ... + 97818517686.

It is an arithmetic number, because the mean of its divisors is an integer number (28171732504608).

Almost surely, 2^{400273366000926} is an apocalyptic number.

400273366000926 is an abundant number, since it is smaller than the sum of its proper divisors (501222074146530).

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

400273366000926 is a wasteful number, since it uses less digits than its factorization.

400273366000926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195637031328.

The product of its (nonzero) digits is 1959552, while the sum is 48.

The spelling of 400273366000926 in words is "four hundred trillion, two hundred seventy-three billion, three hundred sixty-six million, nine hundred twenty-six", and thus it is an aban number.