42154416440 has 16 divisors (see below), whose sum is σ = 94847437080. Its totient is φ = 16861766560.

The previous prime is 42154416439. The next prime is 42154416449. The reversal of 42154416440 is 4461445124.

It is a self number, because there is not a number n which added to its sum of digits gives 42154416440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42154416449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 526930166 + ... + 526930245.

Almost surely, 2^42154416440 is an apocalyptic number.

42154416440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42154416440 is an abundant number, since it is smaller than the sum of its proper divisors (52693020640).

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

42154416440 is a wasteful number, since it uses less digits than its factorization.

42154416440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053860422 (or 1053860418 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 35.

The spelling of 42154416440 in words is "forty-two billion, one hundred fifty-four million, four hundred sixteen thousand, four hundred forty".