40375720432436 has 24 divisors (see below), whose sum is σ = 71644605243456. Its totient is φ = 19907784964800.

The previous prime is 40375720432433. The next prime is 40375720432447. The reversal of 40375720432436 is 63423402757304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40375720432433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243885206 + ... + 244050701.

It is an arithmetic number, because the mean of its divisors is an integer number (2985191885144).

Almost surely, 2^{40375720432436} is an apocalyptic number.

It is an amenable number.

40375720432436 is a deficient number, since it is larger than the sum of its proper divisors (31268884811020).

40375720432436 is a wasteful number, since it uses less digits than its factorization.

40375720432436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487936199 (or 487936197 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 50.

The spelling of 40375720432436 in words is "forty trillion, three hundred seventy-five billion, seven hundred twenty million, four hundred thirty-two thousand, four hundred thirty-six".