40024430021450 has 48 divisors (see below), whose sum is σ = 85082180820480. Its totient is φ = 13722391053120.

The previous prime is 40024430021441. The next prime is 40024430021473. The reversal of 40024430021450 is 5412003442004.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17060711 + ... + 19264389.

It is an arithmetic number, because the mean of its divisors is an integer number (1772545433760).

Almost surely, 2^{40024430021450} is an apocalyptic number.

40024430021450 is an abundant number, since it is smaller than the sum of its proper divisors (45057750799030).

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

40024430021450 is a wasteful number, since it uses less digits than its factorization.

40024430021450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2255591 (or 2255586 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 40024430021450 its reverse (5412003442004), we get a palindrome (45436433463454).

The spelling of 40024430021450 in words is "forty trillion, twenty-four billion, four hundred thirty million, twenty-one thousand, four hundred fifty".