10042207440 has 40 divisors (see below), whose sum is σ = 31130843808. Its totient is φ = 2677921920.

The previous prime is 10042207403. The next prime is 10042207507. The reversal of 10042207440 is 4470224001.

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

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 10042207440.

It is a congruent number.

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, 20921026 + ... + 20921505.

Almost surely, 2^10042207440 is an apocalyptic number.

10042207440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10042207440 is an abundant number, since it is smaller than the sum of its proper divisors (21088636368).

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

10042207440 is a wasteful number, since it uses less digits than its factorization.

10042207440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41842547 (or 41842541 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 24.

The spelling of 10042207440 in words is "ten billion, forty-two million, two hundred seven thousand, four hundred forty".