15040690040 has 32 divisors (see below), whose sum is σ = 33963749280. Its totient is φ = 5994552192.

The previous prime is 15040690033. The next prime is 15040690087. The reversal of 15040690040 is 4009604051.

It is a junction number, because it is equal to n+sod(n) for n = 15040689985 and 15040690012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 667652 + ... + 689811.

It is an arithmetic number, because the mean of its divisors is an integer number (1061367165).

Almost surely, 2^15040690040 is an apocalyptic number.

15040690040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15040690040 is an abundant number, since it is smaller than the sum of its proper divisors (18923059240).

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

15040690040 is a wasteful number, since it uses less digits than its factorization.

15040690040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1357751 (or 1357747 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The spelling of 15040690040 in words is "fifteen billion, forty million, six hundred ninety thousand, forty".