400272503365 has 16 divisors (see below), whose sum is σ = 553267556352. Its totient is φ = 272311369344.

The previous prime is 400272503339. The next prime is 400272503377. The reversal of 400272503365 is 563305272004.

It is not a de Polignac number, because 400272503365 - 2²¹ = 400270406213 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45020584 + ... + 45029473.

It is an arithmetic number, because the mean of its divisors is an integer number (34579222272).

Almost surely, 2^400272503365 is an apocalyptic number.

It is an amenable number.

400272503365 is a deficient number, since it is larger than the sum of its proper divisors (152995052987).

400272503365 is a wasteful number, since it uses less digits than its factorization.

400272503365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90050196.

The product of its (nonzero) digits is 151200, while the sum is 37.

Adding to 400272503365 its reverse (563305272004), we get a palindrome (963577775369).

The spelling of 400272503365 in words is "four hundred billion, two hundred seventy-two million, five hundred three thousand, three hundred sixty-five".