2372720440 has 16 divisors (see below), whose sum is σ = 5338621080. Its totient is φ = 949088160.

The previous prime is 2372720429. The next prime is 2372720461. The reversal of 2372720440 is 440272732.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29658966 + ... + 29659045.

Almost surely, 2^2372720440 is an apocalyptic number.

2372720440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2372720440 is an abundant number, since it is smaller than the sum of its proper divisors (2965900640).

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

2372720440 is a wasteful number, since it uses less digits than its factorization.

2372720440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59318022 (or 59318018 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 31.

The square root of 2372720440 is about 48710.5783172403. The cubic root of 2372720440 is about 1333.7738258476.

The spelling of 2372720440 in words is "two billion, three hundred seventy-two million, seven hundred twenty thousand, four hundred forty".