40377768 has 16 divisors (see below), whose sum is σ = 100944480. Its totient is φ = 13459248.

The previous prime is 40377763. The next prime is 40377781. The reversal of 40377768 is 86777304.

It is not an unprimeable number, because it can be changed into a prime (40377763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 841180 + ... + 841227.

It is an arithmetic number, because the mean of its divisors is an integer number (6309030).

Almost surely, 2^40377768 is an apocalyptic number.

It is an amenable number.

40377768 is an abundant number, since it is smaller than the sum of its proper divisors (60566712).

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

40377768 is a wasteful number, since it uses less digits than its factorization.

40377768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1682416 (or 1682412 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 42.

The square root of 40377768 is about 6354.3503208432. The cubic root of 40377768 is about 343.0684413796.

The spelling of 40377768 in words is "forty million, three hundred seventy-seven thousand, seven hundred sixty-eight".