40054257072 has 30 divisors (see below), whose sum is σ = 112096289292. Its totient is φ = 13351418976.

The previous prime is 40054257071. The next prime is 40054257083. The reversal of 40054257072 is 27075245004.

It is a happy number.

40054257072 is a `hidden beast` number, since 40 + 0 + 5 + 42 + 570 + 7 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (40054257071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 139077138 + ... + 139077425.

Almost surely, 2^40054257072 is an apocalyptic number.

It is an amenable number.

40054257072 is an abundant number, since it is smaller than the sum of its proper divisors (72042032220).

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

40054257072 is a wasteful number, since it uses less digits than its factorization.

40054257072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278154577 (or 278154568 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 36.

The spelling of 40054257072 in words is "forty billion, fifty-four million, two hundred fifty-seven thousand, seventy-two".