15001400330040 has 64 divisors (see below), whose sum is σ = 45004868076960. Its totient is φ = 4000314124800.

The previous prime is 15001400329969. The next prime is 15001400330041. The reversal of 15001400330040 is 4003300410051.

It is a junction number, because it is equal to n+sod(n) for n = 15001400329989 and 15001400330016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15001400330041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7522590 + ... + 9305490.

Almost surely, 2^{15001400330040} is an apocalyptic number.

15001400330040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15001400330040 is an abundant number, since it is smaller than the sum of its proper divisors (30003467746920).

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

15001400330040 is a wasteful number, since it uses less digits than its factorization.

15001400330040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1853032 (or 1853028 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 15001400330040 its reverse (4003300410051), we get a palindrome (19004700740091).

The spelling of 15001400330040 in words is "fifteen trillion, one billion, four hundred million, three hundred thirty thousand, forty".