40375720432446 has 32 divisors (see below), whose sum is σ = 92398684784640. Its totient is φ = 11522004649056.

The previous prime is 40375720432433. The next prime is 40375720432447. The reversal of 40375720432446 is 64423402757304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40375720432447) 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, 579776206 + ... + 579845841.

It is an arithmetic number, because the mean of its divisors is an integer number (2887458899520).

Almost surely, 2^{40375720432446} is an apocalyptic number.

40375720432446 is an abundant number, since it is smaller than the sum of its proper divisors (52022964352194).

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

40375720432446 is a wasteful number, since it uses less digits than its factorization.

40375720432446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159622888.

The product of its (nonzero) digits is 13547520, while the sum is 51.

The spelling of 40375720432446 in words is "forty trillion, three hundred seventy-five billion, seven hundred twenty million, four hundred thirty-two thousand, four hundred forty-six".