377640240 has 40 divisors (see below), whose sum is σ = 1170685488. Its totient is φ = 100704000.

The previous prime is 377640239. The next prime is 377640259. The reversal of 377640240 is 42046773.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×377640240² = 285224301734515200, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 786511 + ... + 786990.

Almost surely, 2^377640240 is an apocalyptic number.

377640240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

377640240 is an abundant number, since it is smaller than the sum of its proper divisors (793045248).

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

377640240 is a wasteful number, since it uses less digits than its factorization.

377640240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1573517 (or 1573511 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 33.

The square root of 377640240 is about 19432.9678639162. The cubic root of 377640240 is about 722.8132221086.

The spelling of 377640240 in words is "three hundred seventy-seven million, six hundred forty thousand, two hundred forty".