15415343040 has 56 divisors (see below), whose sum is σ = 48943717200. Its totient is φ = 4110757888.

The previous prime is 15415342963. The next prime is 15415343051. The reversal of 15415343040 is 4034351451.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 15415342989 and 15415343007.

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, 8027865 + ... + 8029784.

It is an arithmetic number, because the mean of its divisors is an integer number (873994950).

Almost surely, 2^15415343040 is an apocalyptic number.

15415343040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15415343040 is an abundant number, since it is smaller than the sum of its proper divisors (33528374160).

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

15415343040 is a wasteful number, since it uses less digits than its factorization.

15415343040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16057669 (or 16057659 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 15415343040 its reverse (4034351451), we get a palindrome (19449694491).

The spelling of 15415343040 in words is "fifteen billion, four hundred fifteen million, three hundred forty-three thousand, forty".