42435927440 has 40 divisors (see below), whose sum is σ = 99056659968. Its totient is φ = 16906736000.

The previous prime is 42435927439. The next prime is 42435927451. The reversal of 42435927440 is 4472953424.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 42435927391 and 42435927400.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1036592 + ... + 1076751.

Almost surely, 2^42435927440 is an apocalyptic number.

42435927440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42435927440 is an abundant number, since it is smaller than the sum of its proper divisors (56620732528).

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

42435927440 is a wasteful number, since it uses less digits than its factorization.

42435927440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2113607 (or 2113601 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 44.

The spelling of 42435927440 in words is "forty-two billion, four hundred thirty-five million, nine hundred twenty-seven thousand, four hundred forty".