40354204636436 has 24 divisors (see below), whose sum is σ = 71176197657600. Its totient is φ = 20018461994912.

The previous prime is 40354204636397. The next prime is 40354204636453. The reversal of 40354204636436 is 63463640245304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38714156 + ... + 39742851.

It is an arithmetic number, because the mean of its divisors is an integer number (2965674902400).

Almost surely, 2^{40354204636436} is an apocalyptic number.

It is an amenable number.

40354204636436 is a deficient number, since it is larger than the sum of its proper divisors (30821993021164).

40354204636436 is a wasteful number, since it uses less digits than its factorization.

40354204636436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78458023 (or 78458021 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 50.

The spelling of 40354204636436 in words is "forty trillion, three hundred fifty-four billion, two hundred four million, six hundred thirty-six thousand, four hundred thirty-six".