2311479740 has 48 divisors (see below), whose sum is σ = 4980068352. Its totient is φ = 900780096.

The previous prime is 2311479739. The next prime is 2311479761. The reversal of 2311479740 is 479741132.

It is a happy number.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2311479694 and 2311479703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204107 + ... + 215133.

It is an arithmetic number, because the mean of its divisors is an integer number (103751424).

Almost surely, 2^2311479740 is an apocalyptic number.

2311479740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2311479740 is an abundant number, since it is smaller than the sum of its proper divisors (2668588612).

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

2311479740 is a wasteful number, since it uses less digits than its factorization.

2311479740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11306 (or 11304 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 2311479740 is about 48077.8508255101. The cubic root of 2311479740 is about 1322.1986124772.

The spelling of 2311479740 in words is "two billion, three hundred eleven million, four hundred seventy-nine thousand, seven hundred forty".