2612947940 has 24 divisors (see below), whose sum is σ = 5809967352. Its totient is φ = 983697920.

The previous prime is 2612947921. The next prime is 2612947973. The reversal of 2612947940 is 497492162.

It can be written as a sum of positive squares in 4 ways, for example, as 142659136 + 2470288804 = 11944^2 + 49702^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2612947891 and 2612947900.

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, 3842231 + ... + 3842910.

It is an arithmetic number, because the mean of its divisors is an integer number (242081973).

Almost surely, 2^2612947940 is an apocalyptic number.

2612947940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2612947940 is an abundant number, since it is smaller than the sum of its proper divisors (3197019412).

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

2612947940 is a wasteful number, since it uses less digits than its factorization.

2612947940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7685167 (or 7685165 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 2612947940 is about 51117.0024551518. The cubic root of 2612947940 is about 1377.3476921598.

The spelling of 2612947940 in words is "two billion, six hundred twelve million, nine hundred forty-seven thousand, nine hundred forty".