15426223420 has 24 divisors (see below), whose sum is σ = 32609612448. Its totient is φ = 6129624000.

The previous prime is 15426223411. The next prime is 15426223451. The reversal of 15426223420 is 2432262451.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2550991 + ... + 2557030.

It is an arithmetic number, because the mean of its divisors is an integer number (1358733852).

Almost surely, 2^15426223420 is an apocalyptic number.

15426223420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15426223420 is an abundant number, since it is smaller than the sum of its proper divisors (17183389028).

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

15426223420 is a wasteful number, since it uses less digits than its factorization.

15426223420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5108181 (or 5108179 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 15426223420 its reverse (2432262451), we get a palindrome (17858485871).

The spelling of 15426223420 in words is "fifteen billion, four hundred twenty-six million, two hundred twenty-three thousand, four hundred twenty".