40069869542 has 8 divisors (see below), whose sum is σ = 60106201632. Its totient is φ = 20034469000.

The previous prime is 40069869491. The next prime is 40069869607. The reversal of 40069869542 is 24596896004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×40069869542² (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 3 ways as a sum of consecutive naturals, for example, 113009 + ... + 304812.

It is an arithmetic number, because the mean of its divisors is an integer number (7513275204).

Almost surely, 2^40069869542 is an apocalyptic number.

40069869542 is a deficient number, since it is larger than the sum of its proper divisors (20036332090).

40069869542 is a wasteful number, since it uses less digits than its factorization.

40069869542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465774.

The product of its (nonzero) digits is 3732480, while the sum is 53.

The spelling of 40069869542 in words is "forty billion, sixty-nine million, eight hundred sixty-nine thousand, five hundred forty-two".