40401400526 has 16 divisors (see below), whose sum is σ = 61777610496. Its totient is φ = 19811520696.

The previous prime is 40401400517. The next prime is 40401400537. The reversal of 40401400526 is 62500410404.

It is a junction number, because it is equal to n+sod(n) for n = 40401400495 and 40401400504.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 633686 + ... + 694521.

It is an arithmetic number, because the mean of its divisors is an integer number (3861100656).

Almost surely, 2^40401400526 is an apocalyptic number.

40401400526 is a deficient number, since it is larger than the sum of its proper divisors (21376209970).

40401400526 is a wasteful number, since it uses less digits than its factorization.

40401400526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1328503.

The product of its (nonzero) digits is 3840, while the sum is 26.

The spelling of 40401400526 in words is "forty billion, four hundred one million, four hundred thousand, five hundred twenty-six".