40598218479 has 120 divisors (see below), whose sum is σ = 71834087472. Its totient is φ = 20270476800.

The previous prime is 40598218477. The next prime is 40598218511. The reversal of 40598218479 is 97481289504.

It is not a de Polignac number, because 40598218479 - 2¹ = 40598218477 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40598218471) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 33803079 + ... + 33804279.

Almost surely, 2^40598218479 is an apocalyptic number.

40598218479 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

40598218479 is a deficient number, since it is larger than the sum of its proper divisors (31235868993).

40598218479 is a wasteful number, since it uses less digits than its factorization.

40598218479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1283 (or 1243 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 57.

The spelling of 40598218479 in words is "forty billion, five hundred ninety-eight million, two hundred eighteen thousand, four hundred seventy-nine".