40180840551 has 24 divisors (see below), whose sum is σ = 59147577216. Its totient is φ = 26275803840.

The previous prime is 40180840543. The next prime is 40180840607. The reversal of 40180840551 is 15504808104.

It is not a de Polignac number, because 40180840551 - 2³ = 40180840543 is a prime.

It is a super-2 number, since 2×40180840551² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40180830551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3205386 + ... + 3217896.

It is an arithmetic number, because the mean of its divisors is an integer number (2464482384).

Almost surely, 2^40180840551 is an apocalyptic number.

40180840551 is a deficient number, since it is larger than the sum of its proper divisors (18966736665).

40180840551 is a wasteful number, since it uses less digits than its factorization.

40180840551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19303 (or 19300 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 36.

The spelling of 40180840551 in words is "forty billion, one hundred eighty million, eight hundred forty thousand, five hundred fifty-one".