1394799040 has 28 divisors (see below), whose sum is σ = 3321365976. Its totient is φ = 557919488.

The previous prime is 1394799037. The next prime is 1394799061. The reversal of 1394799040 is 409974931.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2179054 + ... + 2179693.

Almost surely, 2^1394799040 is an apocalyptic number.

1394799040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1394799040 is an abundant number, since it is smaller than the sum of its proper divisors (1926566936).

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

1394799040 is an equidigital number, since it uses as much as digits as its factorization.

1394799040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4358764 (or 4358754 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 46.

The square root of 1394799040 is about 37347.0084477994. The cubic root of 1394799040 is about 1117.3019239308.

The spelling of 1394799040 in words is "one billion, three hundred ninety-four million, seven hundred ninety-nine thousand, forty".