40691528124 has 24 divisors (see below), whose sum is σ = 102250506960. Its totient is φ = 12520470144.

The previous prime is 40691528107. The next prime is 40691528131. The reversal of 40691528124 is 42182519604.

It is a super-2 number, since 2×40691528124² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130421409 + ... + 130421720.

It is an arithmetic number, because the mean of its divisors is an integer number (4260437790).

Almost surely, 2^40691528124 is an apocalyptic number.

It is an amenable number.

40691528124 is an abundant number, since it is smaller than the sum of its proper divisors (61558978836).

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

40691528124 is a wasteful number, since it uses less digits than its factorization.

40691528124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260843149 (or 260843147 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The spelling of 40691528124 in words is "forty billion, six hundred ninety-one million, five hundred twenty-eight thousand, one hundred twenty-four".