42404402454 has 16 divisors (see below), whose sum is σ = 84840166848. Its totient is φ = 14129573832.

The previous prime is 42404402449. The next prime is 42404402473. The reversal of 42404402454 is 45420440424.

It is a happy number.

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, 1289152 + ... + 1321635.

It is an arithmetic number, because the mean of its divisors is an integer number (5302510428).

Almost surely, 2^42404402454 is an apocalyptic number.

42404402454 is an abundant number, since it is smaller than the sum of its proper divisors (42435764394).

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

42404402454 is a wasteful number, since it uses less digits than its factorization.

42404402454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2613499.

The product of its (nonzero) digits is 81920, while the sum is 33.

Adding to 42404402454 its reverse (45420440424), we get a palindrome (87824842878).

The spelling of 42404402454 in words is "forty-two billion, four hundred four million, four hundred two thousand, four hundred fifty-four".