377640404 has 18 divisors (see below), whose sum is σ = 690857370. Its totient is φ = 180609616.

The previous prime is 377640383. The next prime is 377640433. The reversal of 377640404 is 404046773.

It can be written as a sum of positive squares in only one way, i.e., 203347600 + 174292804 = 14260^2 + 13202^2 .

It is a super-2 number, since 2×377640404² = 285224549466566432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 87119 + ... + 91350.

It is an arithmetic number, because the mean of its divisors is an integer number (38380965).

Almost surely, 2^377640404 is an apocalyptic number.

It is an amenable number.

377640404 is a deficient number, since it is larger than the sum of its proper divisors (313216966).

377640404 is a wasteful number, since it uses less digits than its factorization.

377640404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178519 (or 178494 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 35.

The square root of 377640404 is about 19432.9720835491. The cubic root of 377640404 is about 722.8133267420.

The spelling of 377640404 in words is "three hundred seventy-seven million, six hundred forty thousand, four hundred four".