40255146020 has 24 divisors (see below), whose sum is σ = 88211277504. Its totient is φ = 15401968736.

The previous prime is 40255146017. The next prime is 40255146023. The reversal of 40255146020 is 2064155204.

It is an interprime number because it is at equal distance from previous prime (40255146017) and next prime (40255146023).

It is not an unprimeable number, because it can be changed into a prime (40255146023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43755134 + ... + 43756053.

It is an arithmetic number, because the mean of its divisors is an integer number (3675469896).

Almost surely, 2^40255146020 is an apocalyptic number.

It is an amenable number.

40255146020 is an abundant number, since it is smaller than the sum of its proper divisors (47956131484).

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

40255146020 is a wasteful number, since it uses less digits than its factorization.

40255146020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87511219 (or 87511217 counting only the distinct ones).

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

The spelling of 40255146020 in words is "forty billion, two hundred fifty-five million, one hundred forty-six thousand, twenty".