2504151640 has 64 divisors (see below), whose sum is σ = 5696308800. Its totient is φ = 990709248.

The previous prime is 2504151619. The next prime is 2504151649. The reversal of 2504151640 is 461514052.

It is a super-2 number, since 2×2504151640² = 12541550872229379200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2504151599 and 2504151608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2504151649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1528902 + ... + 1530538.

It is an arithmetic number, because the mean of its divisors is an integer number (89004825).

Almost surely, 2^2504151640 is an apocalyptic number.

2504151640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2504151640 is an abundant number, since it is smaller than the sum of its proper divisors (3192157160).

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

2504151640 is a wasteful number, since it uses less digits than its factorization.

2504151640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2044 (or 2040 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 2504151640 is about 50041.4991781821. The cubic root of 2504151640 is about 1357.9596784553.

Adding to 2504151640 its reverse (461514052), we get a palindrome (2965665692).

The spelling of 2504151640 in words is "two billion, five hundred four million, one hundred fifty-one thousand, six hundred forty".