4087402644 has 24 divisors (see below), whose sum is σ = 10270909600. Its totient is φ = 1257662304.

The previous prime is 4087402643. The next prime is 4087402681. The reversal of 4087402644 is 4462047804.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4087402643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13100494 + ... + 13100805.

Almost surely, 2^4087402644 is an apocalyptic number.

It is an amenable number.

4087402644 is an abundant number, since it is smaller than the sum of its proper divisors (6183506956).

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

4087402644 is a wasteful number, since it uses less digits than its factorization.

4087402644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26201319 (or 26201317 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 39.

The square root of 4087402644 is about 63932.7978740177. The cubic root of 4087402644 is about 1598.8797684630.

The spelling of 4087402644 in words is "four billion, eighty-seven million, four hundred two thousand, six hundred forty-four".