15423425032040 has 16 divisors (see below), whose sum is σ = 34702706322180. Its totient is φ = 6169370012800.

The previous prime is 15423425032019. The next prime is 15423425032079. The reversal of 15423425032040 is 4023052432451.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 14774475562564 + 648949469476 = 3843758^2 + 805574^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192792812861 + ... + 192792812940.

Almost surely, 2^{15423425032040} is an apocalyptic number.

15423425032040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15423425032040 is an abundant number, since it is smaller than the sum of its proper divisors (19279281290140).

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

15423425032040 is a wasteful number, since it uses less digits than its factorization.

15423425032040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385585625812 (or 385585625808 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 15423425032040 its reverse (4023052432451), we get a palindrome (19446477464491).

The spelling of 15423425032040 in words is "fifteen trillion, four hundred twenty-three billion, four hundred twenty-five million, thirty-two thousand, forty".