40854151780 has 48 divisors (see below), whose sum is σ = 92518695360. Its totient is φ = 15064126848.

The previous prime is 40854151777. The next prime is 40854151829. The reversal of 40854151780 is 8715145804.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85827 + ... + 298453.

It is an arithmetic number, because the mean of its divisors is an integer number (1927472820).

Almost surely, 2^40854151780 is an apocalyptic number.

It is an amenable number.

40854151780 is an abundant number, since it is smaller than the sum of its proper divisors (51664543580).

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

40854151780 is a wasteful number, since it uses less digits than its factorization.

40854151780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213388 (or 213386 counting only the distinct ones).

The product of its (nonzero) digits is 179200, while the sum is 43.

The spelling of 40854151780 in words is "forty billion, eight hundred fifty-four million, one hundred fifty-one thousand, seven hundred eighty".