42023953040 has 20 divisors (see below), whose sum is σ = 97705691004. Its totient is φ = 16809581184.

The previous prime is 42023953003. The next prime is 42023953051. The reversal of 42023953040 is 4035932024.

It can be written as a sum of positive squares in 2 ways, for example, as 23835654544 + 18188298496 = 154388^2 + 134864^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 42023952988 and 42023953006.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262649627 + ... + 262649786.

Almost surely, 2^42023953040 is an apocalyptic number.

42023953040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42023953040 is an abundant number, since it is smaller than the sum of its proper divisors (55681737964).

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

42023953040 is a wasteful number, since it uses less digits than its factorization.

42023953040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525299426 (or 525299420 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The spelling of 42023953040 in words is "forty-two billion, twenty-three million, nine hundred fifty-three thousand, forty".