15402320034 has 16 divisors (see below), whose sum is σ = 30850149888. Its totient is φ = 5126521712.

The previous prime is 15402320033. The next prime is 15402320057. The reversal of 15402320034 is 43002320451.

It is a super-2 number, since 2×15402320034² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15402319986 and 15402320013.

It is not an unprimeable number, because it can be changed into a prime (15402320033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1891842 + ... + 1899965.

It is an arithmetic number, because the mean of its divisors is an integer number (1928134368).

Almost surely, 2^15402320034 is an apocalyptic number.

15402320034 is an abundant number, since it is smaller than the sum of its proper divisors (15447829854).

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

15402320034 is a wasteful number, since it uses less digits than its factorization.

15402320034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3792489.

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 15402320034 its reverse (43002320451), we get a palindrome (58404640485).

The spelling of 15402320034 in words is "fifteen billion, four hundred two million, three hundred twenty thousand, thirty-four".