400032054501 has 16 divisors (see below), whose sum is σ = 538132731840. Its totient is φ = 264310027520.

The previous prime is 400032054479. The next prime is 400032054517. The reversal of 400032054501 is 105450230004.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-400032054501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400032054601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6569686 + ... + 6630296.

It is an arithmetic number, because the mean of its divisors is an integer number (33633295740).

Almost surely, 2^400032054501 is an apocalyptic number.

It is an amenable number.

400032054501 is a deficient number, since it is larger than the sum of its proper divisors (138100677339).

400032054501 is a wasteful number, since it uses less digits than its factorization.

400032054501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80196.

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 400032054501 its reverse (105450230004), we get a palindrome (505482284505).

The spelling of 400032054501 in words is "four hundred billion, thirty-two million, fifty-four thousand, five hundred one".