399240056703 has 8 divisors (see below), whose sum is σ = 550675940400. Its totient is φ = 256982105408.

The previous prime is 399240056693. The next prime is 399240056713. The reversal of 399240056703 is 307650042993.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (399240056693) and next prime (399240056713).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 399240056703 - 2⁵ = 399240056671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (399240056713) 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, 2294482998 + ... + 2294483171.

It is an arithmetic number, because the mean of its divisors is an integer number (68834492550).

Almost surely, 2^399240056703 is an apocalyptic number.

399240056703 is a deficient number, since it is larger than the sum of its proper divisors (151435883697).

399240056703 is a wasteful number, since it uses less digits than its factorization.

399240056703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4588966201.

The product of its (nonzero) digits is 1224720, while the sum is 48.

The spelling of 399240056703 in words is "three hundred ninety-nine billion, two hundred forty million, fifty-six thousand, seven hundred three".