2949692840 has 32 divisors (see below), whose sum is σ = 6658454880. Its totient is φ = 1176028992.

The previous prime is 2949692833. The next prime is 2949692909. The reversal of 2949692840 is 482969492.

It is a happy number.

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, 107822 + ... + 132381.

It is an arithmetic number, because the mean of its divisors is an integer number (208076715).

Almost surely, 2^2949692840 is an apocalyptic number.

2949692840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2949692840 is an abundant number, since it is smaller than the sum of its proper divisors (3708762040).

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

2949692840 is a wasteful number, since it uses less digits than its factorization.

2949692840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240521 (or 240517 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 53.

The square root of 2949692840 is about 54311.0747453961. The cubic root of 2949692840 is about 1434.1423632885.

The spelling of 2949692840 in words is "two billion, nine hundred forty-nine million, six hundred ninety-two thousand, eight hundred forty".