2037398640 has 40 divisors (see below), whose sum is σ = 6315936528. Its totient is φ = 543306240.

The previous prime is 2037398639. The next prime is 2037398653. The reversal of 2037398640 is 468937302.

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

It is a junction number, because it is equal to n+sod(n) for n = 2037398592 and 2037398601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4244341 + ... + 4244820.

Almost surely, 2^2037398640 is an apocalyptic number.

2037398640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2037398640 is an abundant number, since it is smaller than the sum of its proper divisors (4278537888).

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

2037398640 is a wasteful number, since it uses less digits than its factorization.

2037398640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8489177 (or 8489171 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 2037398640 is about 45137.5524369676. The cubic root of 2037398640 is about 1267.7258244819.

The spelling of 2037398640 in words is "two billion, thirty-seven million, three hundred ninety-eight thousand, six hundred forty".