400102416554 has 4 divisors (see below), whose sum is σ = 600153624834. Its totient is φ = 200051208276.

The previous prime is 400102416521. The next prime is 400102416587. The reversal of 400102416554 is 455614201004.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (400102416521) and next prime (400102416587).

It can be written as a sum of positive squares in only one way, i.e., 387534885529 + 12567531025 = 622523^2 + 112105^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 400102416554.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100025604137 + ... + 100025604140.

Almost surely, 2^400102416554 is an apocalyptic number.

400102416554 is a deficient number, since it is larger than the sum of its proper divisors (200051208280).

400102416554 is a wasteful number, since it uses less digits than its factorization.

400102416554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200051208279.

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 400102416554 its reverse (455614201004), we get a palindrome (855716617558).

The spelling of 400102416554 in words is "four hundred billion, one hundred two million, four hundred sixteen thousand, five hundred fifty-four".