377440221720 has 64 divisors (see below), whose sum is σ = 1135892769120. Its totient is φ = 100333205504.

The previous prime is 377440221709. The next prime is 377440221727. The reversal of 377440221720 is 27122044773.

It is a super-4 number, since 4×377440221720⁴ (a number of 47 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (377440221727) 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, 4923057 + ... + 4999136.

Almost surely, 2^377440221720 is an apocalyptic number.

377440221720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

377440221720 is an abundant number, since it is smaller than the sum of its proper divisors (758452547400).

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

377440221720 is a wasteful number, since it uses less digits than its factorization.

377440221720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9922524 (or 9922520 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 39.

The spelling of 377440221720 in words is "three hundred seventy-seven billion, four hundred forty million, two hundred twenty-one thousand, seven hundred twenty".