40140477878710 has 128 divisors (see below), whose sum is σ = 81387773153280. Its totient is φ = 14129040816000.

The previous prime is 40140477878701. The next prime is 40140477878713. The reversal of 40140477878710 is 1787877404104.

It is a super-2 number, since 2×40140477878710² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40140477878713) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1109233237 + ... + 1109269423.

It is an arithmetic number, because the mean of its divisors is an integer number (635841977760).

Almost surely, 2^{40140477878710} is an apocalyptic number.

40140477878710 is an abundant number, since it is smaller than the sum of its proper divisors (41247295274570).

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

40140477878710 is a wasteful number, since it uses less digits than its factorization.

40140477878710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38882.

The product of its (nonzero) digits is 9834496, while the sum is 58.

The spelling of 40140477878710 in words is "forty trillion, one hundred forty billion, four hundred seventy-seven million, eight hundred seventy-eight thousand, seven hundred ten".