40404732354426 has 32 divisors (see below), whose sum is σ = 90999514515456. Its totient is φ = 11848895118000.

The previous prime is 40404732354409. The next prime is 40404732354473. The reversal of 40404732354426 is 62445323740404.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9874077220 + ... + 9874081311.

It is an arithmetic number, because the mean of its divisors is an integer number (2843734828608).

Almost surely, 2^{40404732354426} is an apocalyptic number.

40404732354426 is an abundant number, since it is smaller than the sum of its proper divisors (50594782161030).

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

40404732354426 is a wasteful number, since it uses less digits than its factorization.

40404732354426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19748158578.

The product of its (nonzero) digits is 7741440, while the sum is 48.

The spelling of 40404732354426 in words is "forty trillion, four hundred four billion, seven hundred thirty-two million, three hundred fifty-four thousand, four hundred twenty-six".