1379292240 has 40 divisors (see below), whose sum is σ = 4275806688. Its totient is φ = 367811200.

The previous prime is 1379292199. The next prime is 1379292247. The reversal of 1379292240 is 422929731.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1379292247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2873286 + ... + 2873765.

Almost surely, 2^1379292240 is an apocalyptic number.

1379292240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1379292240 is an abundant number, since it is smaller than the sum of its proper divisors (2896514448).

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

1379292240 is a wasteful number, since it uses less digits than its factorization.

1379292240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5747067 (or 5747061 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 1379292240 is about 37138.8238909096. The cubic root of 1379292240 is about 1113.1459168749.

The spelling of 1379292240 in words is "one billion, three hundred seventy-nine million, two hundred ninety-two thousand, two hundred forty".