40377136518 has 12 divisors (see below), whose sum is σ = 87483795828. Its totient is φ = 13459045500.

The previous prime is 40377136477. The next prime is 40377136559. The reversal of 40377136518 is 81563177304.

40377136518 is a `hidden beast` number, since 4 + 0 + 37 + 71 + 36 + 518 = 666.

It is an interprime number because it is at equal distance from previous prime (40377136477) and next prime (40377136559).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1121587108 + ... + 1121587143.

It is an arithmetic number, because the mean of its divisors is an integer number (7290316319).

Almost surely, 2^40377136518 is an apocalyptic number.

40377136518 is an abundant number, since it is smaller than the sum of its proper divisors (47106659310).

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

40377136518 is a wasteful number, since it uses less digits than its factorization.

40377136518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2243174259 (or 2243174256 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 40377136518 in words is "forty billion, three hundred seventy-seven million, one hundred thirty-six thousand, five hundred eighteen".