2511299420 has 24 divisors (see below), whose sum is σ = 6027118944. Its totient is φ = 861016896.

The previous prime is 2511299419. The next prime is 2511299437. The reversal of 2511299420 is 249921152.

It is a Harshad number since it is a multiple of its sum of digits (35).

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, 8968787 + ... + 8969066.

It is an arithmetic number, because the mean of its divisors is an integer number (251129956).

Almost surely, 2^2511299420 is an apocalyptic number.

2511299420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2511299420 is an abundant number, since it is smaller than the sum of its proper divisors (3515819524).

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

2511299420 is a wasteful number, since it uses less digits than its factorization.

2511299420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17937869 (or 17937867 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 2511299420 is about 50112.8668108301. The cubic root of 2511299420 is about 1359.2504917152.

The spelling of 2511299420 in words is "two billion, five hundred eleven million, two hundred ninety-nine thousand, four hundred twenty".