1364879840 has 48 divisors (see below), whose sum is σ = 3265375680. Its totient is φ = 539036160.

The previous prime is 1364879837. The next prime is 1364879843. The reversal of 1364879840 is 489784631.

It is an interprime number because it is at equal distance from previous prime (1364879837) and next prime (1364879843).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1364879843) 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, 41351 + ... + 66630.

It is an arithmetic number, because the mean of its divisors is an integer number (68028660).

Almost surely, 2^1364879840 is an apocalyptic number.

1364879840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1364879840 is an abundant number, since it is smaller than the sum of its proper divisors (1900495840).

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

1364879840 is a wasteful number, since it uses less digits than its factorization.

1364879840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108075 (or 108067 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 50.

The square root of 1364879840 is about 36944.2802068196. The cubic root of 1364879840 is about 1109.2551992989.

The spelling of 1364879840 in words is "one billion, three hundred sixty-four million, eight hundred seventy-nine thousand, eight hundred forty".