2772040131 has 32 divisors (see below), whose sum is σ = 4940428800. Its totient is φ = 1500651360.

The previous prime is 2772040127. The next prime is 2772040147. The reversal of 2772040131 is 1310402772.

It is a happy number.

It is not a de Polignac number, because 2772040131 - 2² = 2772040127 is a prime.

It is a super-2 number, since 2×2772040131² = 15368412975748994322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2772040095 and 2772040104.

It is not an unprimeable number, because it can be changed into a prime (2772040151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 382380 + ... + 389561.

It is an arithmetic number, because the mean of its divisors is an integer number (154388400).

Almost surely, 2^2772040131 is an apocalyptic number.

2772040131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2772040131 is a deficient number, since it is larger than the sum of its proper divisors (2168388669).

2772040131 is a wasteful number, since it uses less digits than its factorization.

2772040131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771976 (or 771970 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 2772040131 is about 52650.1674356312. The cubic root of 2772040131 is about 1404.7525779364.

The spelling of 2772040131 in words is "two billion, seven hundred seventy-two million, forty thousand, one hundred thirty-one".