2501085990 has 32 divisors (see below), whose sum is σ = 6464346336. Its totient is φ = 615651840.

The previous prime is 2501085989. The next prime is 2501086009. The reversal of 2501085990 is 995801052.

It is a super-3 number, since 3×2501085990³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3206131 + ... + 3206910.

It is an arithmetic number, because the mean of its divisors is an integer number (202010823).

Almost surely, 2^2501085990 is an apocalyptic number.

2501085990 is an abundant number, since it is smaller than the sum of its proper divisors (3963260346).

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

2501085990 is a wasteful number, since it uses less digits than its factorization.

2501085990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6413064.

The product of its (nonzero) digits is 32400, while the sum is 39.

The square root of 2501085990 is about 50010.8587208818. The cubic root of 2501085990 is about 1357.4053018740.

The spelling of 2501085990 in words is "two billion, five hundred one million, eighty-five thousand, nine hundred ninety".