400732996993 has 4 divisors (see below), whose sum is σ = 457980568000. Its totient is φ = 343485425988.

The previous prime is 400732996991. The next prime is 400732996999. The reversal of 400732996993 is 399699237004.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 400732996993 - 2¹ = 400732996991 is a prime.

It is a super-4 number, since 4×400732996993⁴ (a number of 48 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400732996991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28623785493 + ... + 28623785506.

It is an arithmetic number, because the mean of its divisors is an integer number (114495142000).

Almost surely, 2^400732996993 is an apocalyptic number.

It is an amenable number.

400732996993 is a deficient number, since it is larger than the sum of its proper divisors (57247571007).

400732996993 is an equidigital number, since it uses as much as digits as its factorization.

400732996993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57247571006.

The product of its (nonzero) digits is 19840464, while the sum is 61.

The spelling of 400732996993 in words is "four hundred billion, seven hundred thirty-two million, nine hundred ninety-six thousand, nine hundred ninety-three".