400366654001100 has 108 divisors (see below), whose sum is σ = 1257335724972600. Its totient is φ = 106559518790400.

The previous prime is 400366654001087. The next prime is 400366654001101. The reversal of 400366654001100 is 1100456663004.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (400366654001101) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 426452250 + ... + 427390049.

It is an arithmetic number, because the mean of its divisors is an integer number (11641997453450).

Almost surely, 2^{400366654001100} is an apocalyptic number.

It is an amenable number.

400366654001100 is an abundant number, since it is smaller than the sum of its proper divisors (856969070971500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

400366654001100 is a wasteful number, since it uses less digits than its factorization.

400366654001100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853842840 (or 853842830 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 400366654001100 in words is "four hundred trillion, three hundred sixty-six billion, six hundred fifty-four million, one thousand, one hundred".