15034087840 has 48 divisors (see below), whose sum is σ = 35639365608. Its totient is φ = 5993092096.

The previous prime is 15034087771. The next prime is 15034087841. The reversal of 15034087840 is 4878043051.

It can be written as a sum of positive squares in 4 ways, for example, as 15031740816 + 2347024 = 122604^2 + 1532^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 15034087793 and 15034087802.

It is not an unprimeable number, because it can be changed into a prime (15034087841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113467 + ... + 207226.

Almost surely, 2^15034087840 is an apocalyptic number.

15034087840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15034087840 is an abundant number, since it is smaller than the sum of its proper divisors (20605277768).

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

15034087840 is a wasteful number, since it uses less digits than its factorization.

15034087840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321001 (or 320993 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The spelling of 15034087840 in words is "fifteen billion, thirty-four million, eighty-seven thousand, eight hundred forty".