40011542534 has 32 divisors (see below), whose sum is σ = 61624333056. Its totient is φ = 19477830240.

The previous prime is 40011542531. The next prime is 40011542629. The reversal of 40011542534 is 43524511004.

It is a super-2 number, since 2×40011542534² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40011542497 and 40011542506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40011542531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7878404 + ... + 7883480.

It is an arithmetic number, because the mean of its divisors is an integer number (1925760408).

Almost surely, 2^40011542534 is an apocalyptic number.

40011542534 is a deficient number, since it is larger than the sum of its proper divisors (21612790522).

40011542534 is a wasteful number, since it uses less digits than its factorization.

40011542534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5820.

The product of its (nonzero) digits is 9600, while the sum is 29.

The spelling of 40011542534 in words is "forty billion, eleven million, five hundred forty-two thousand, five hundred thirty-four".