40898918511 has 18 divisors (see below), whose sum is σ = 64935015600. Its totient is φ = 24787222680.

The previous prime is 40898918509. The next prime is 40898918539. The reversal of 40898918511 is 11581989804.

40898918511 is a `hidden beast` number, since 40 + 8 + 9 + 89 + 1 + 8 + 511 = 666.

It is not a de Polignac number, because 40898918511 - 2¹ = 40898918509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40898918111) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 18777111 + ... + 18779288.

Almost surely, 2^40898918511 is an apocalyptic number.

40898918511 is a deficient number, since it is larger than the sum of its proper divisors (24036097089).

40898918511 is a wasteful number, since it uses less digits than its factorization.

40898918511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37556427 (or 37556413 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 54.

The spelling of 40898918511 in words is "forty billion, eight hundred ninety-eight million, nine hundred eighteen thousand, five hundred eleven".