2439777156 has 48 divisors (see below), whose sum is σ = 5996679360. Its totient is φ = 769910400.

The previous prime is 2439777149. The next prime is 2439777157. The reversal of 2439777156 is 6517779342.

It is a happy number.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2439777099 and 2439777108.

It is not an unprimeable number, because it can be changed into a prime (2439777157) 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, 425106 + ... + 430806.

It is an arithmetic number, because the mean of its divisors is an integer number (124930820).

Almost surely, 2^2439777156 is an apocalyptic number.

It is an amenable number.

2439777156 is an abundant number, since it is smaller than the sum of its proper divisors (3556902204).

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

2439777156 is a wasteful number, since it uses less digits than its factorization.

2439777156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7604 (or 7602 counting only the distinct ones).

The product of its digits is 2222640, while the sum is 51.

The square root of 2439777156 is about 49394.1004169526. The cubic root of 2439777156 is about 1346.2221136897. Note that the first 3 decimals are identical.

The spelling of 2439777156 in words is "two billion, four hundred thirty-nine million, seven hundred seventy-seven thousand, one hundred fifty-six".