2523279780 has 72 divisors (see below), whose sum is σ = 8747374272. Its totient is φ = 576749376.

The previous prime is 2523279761. The next prime is 2523279797. The reversal of 2523279780 is 879723252.

2523279780 is a `hidden beast` number, since 252 + 327 + 9 + 78 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1000042 + ... + 1002561.

Almost surely, 2^2523279780 is an apocalyptic number.

2523279780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2523279780 is an abundant number, since it is smaller than the sum of its proper divisors (6224094492).

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

2523279780 is a wasteful number, since it uses less digits than its factorization.

2523279780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002625 (or 2002620 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The square root of 2523279780 is about 50232.2583605396. The cubic root of 2523279780 is about 1361.4085356468.

The spelling of 2523279780 in words is "two billion, five hundred twenty-three million, two hundred seventy-nine thousand, seven hundred eighty".