400914023689399 has 64 divisors (see below), whose sum is σ = 460925740154880. Its totient is φ = 345368197440000.

The previous prime is 400914023689369. The next prime is 400914023689433. The reversal of 400914023689399 is 993986320419004.

It is a cyclic number.

It is not a de Polignac number, because 400914023689399 - 2¹⁵ = 400914023656631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400914023689349) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3926590449 + ... + 3926692549.

It is an arithmetic number, because the mean of its divisors is an integer number (7201964689920).

Almost surely, 2^{400914023689399} is an apocalyptic number.

400914023689399 is a deficient number, since it is larger than the sum of its proper divisors (60011716465481).

400914023689399 is a wasteful number, since it uses less digits than its factorization.

400914023689399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103312.

The product of its (nonzero) digits is 90699264, while the sum is 67.

The spelling of 400914023689399 in words is "four hundred trillion, nine hundred fourteen billion, twenty-three million, six hundred eighty-nine thousand, three hundred ninety-nine".