40377634 has 16 divisors (see below), whose sum is σ = 66194496. Its totient is φ = 18319600.

The previous prime is 40377613. The next prime is 40377637. The reversal of 40377634 is 43677304.

It is a self number, because there is not a number n which added to its sum of digits gives 40377634.

It is not an unprimeable number, because it can be changed into a prime (40377637) 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, 13539 + ... + 16249.

It is an arithmetic number, because the mean of its divisors is an integer number (4137156).

Almost surely, 2^40377634 is an apocalyptic number.

40377634 is a deficient number, since it is larger than the sum of its proper divisors (25816862).

40377634 is a wasteful number, since it uses less digits than its factorization.

40377634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3401.

The product of its (nonzero) digits is 42336, while the sum is 34.

The square root of 40377634 is about 6354.3397768769. The cubic root of 40377634 is about 343.0680618703.

The spelling of 40377634 in words is "forty million, three hundred seventy-seven thousand, six hundred thirty-four".