45272939040 has 192 divisors, whose sum is σ = 181091877120. Its totient is φ = 10348093440.

The previous prime is 45272939027. The next prime is 45272939057. The reversal of 45272939040 is 4093927254.

45272939040 is a `hidden beast` number, since 452 + 72 + 9 + 3 + 90 + 40 = 666.

It is a super-2 number, since 2×45272939040² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 718321 + ... + 778800.

It is an arithmetic number, because the mean of its divisors is an integer number (943186860).

Almost surely, 2^45272939040 is an apocalyptic number.

45272939040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45272939040 is an abundant number, since it is smaller than the sum of its proper divisors (135818938080).

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

45272939040 is a wasteful number, since it uses less digits than its factorization.

45272939040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1497152 (or 1497138 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 45272939040 in words is "forty-five billion, two hundred seventy-two million, nine hundred thirty-nine thousand, forty".