42240553646040 has 96 divisors (see below), whose sum is σ = 137332666458000. Its totient is φ = 11259973927680.

The previous prime is 42240553646029. The next prime is 42240553646051. The reversal of 42240553646040 is 4064635504224.

It is a happy number.

42240553646040 is a `hidden beast` number, since 4 + 2 + 2 + 4 + 0 + 5 + 5 + 36 + 4 + 604 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (42240553646029) and next prime (42240553646051).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20765091 + ... + 22708370.

Almost surely, 2^{42240553646040} is an apocalyptic number.

42240553646040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42240553646040 is an abundant number, since it is smaller than the sum of its proper divisors (95092112811960).

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

42240553646040 is a wasteful number, since it uses less digits than its factorization.

42240553646040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43476177 (or 43476170 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 45.

The spelling of 42240553646040 in words is "forty-two trillion, two hundred forty billion, five hundred fifty-three million, six hundred forty-six thousand, forty".