3802157640 has 96 divisors (see below), whose sum is σ = 13007404800. Its totient is φ = 960543360.

The previous prime is 3802157603. The next prime is 3802157647. The reversal of 3802157640 is 467512083.

3802157640 is a `hidden beast` number, since 3 + 8 + 0 + 2 + 1 + 5 + 7 + 640 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 3802157595 and 3802157604.

It is not an unprimeable number, because it can be changed into a prime (3802157647) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 271096 + ... + 284775.

It is an arithmetic number, because the mean of its divisors is an integer number (135493800).

Almost surely, 2^3802157640 is an apocalyptic number.

3802157640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3802157640 is an abundant number, since it is smaller than the sum of its proper divisors (9205247160).

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

3802157640 is a wasteful number, since it uses less digits than its factorization.

3802157640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555907 (or 555900 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 3802157640 is about 61661.6383175147. The cubic root of 3802157640 is about 1560.7860437086.

The spelling of 3802157640 in words is "three billion, eight hundred two million, one hundred fifty-seven thousand, six hundred forty".