2692641440 has 24 divisors (see below), whose sum is σ = 6361365780. Its totient is φ = 1077056512.

The previous prime is 2692641437. The next prime is 2692641463. The reversal of 2692641440 is 441462962.

It can be written as a sum of positive squares in 2 ways, for example, as 2540563216 + 152078224 = 50404^2 + 12332^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2692641394 and 2692641403.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8414345 + ... + 8414664.

Almost surely, 2^2692641440 is an apocalyptic number.

2692641440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2692641440 is an abundant number, since it is smaller than the sum of its proper divisors (3668724340).

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

2692641440 is a wasteful number, since it uses less digits than its factorization.

2692641440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16829024 (or 16829016 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 2692641440 is about 51890.6681398496. The cubic root of 2692641440 is about 1391.2104839371.

The spelling of 2692641440 in words is "two billion, six hundred ninety-two million, six hundred forty-one thousand, four hundred forty".