13042401550 has 24 divisors (see below), whose sum is σ = 24316803000. Its totient is φ = 5204501280.

The previous prime is 13042401539. The next prime is 13042401563. The reversal of 13042401550 is 5510424031.

It is a happy number.

It is a super-3 number, since 3×13042401550³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 290325 + ... + 332224.

It is an arithmetic number, because the mean of its divisors is an integer number (1013200125).

Almost surely, 2^13042401550 is an apocalyptic number.

13042401550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13042401550 is a deficient number, since it is larger than the sum of its proper divisors (11274401450).

13042401550 is a wasteful number, since it uses less digits than its factorization.

13042401550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622980 (or 622975 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 13042401550 its reverse (5510424031), we get a palindrome (18552825581).

The spelling of 13042401550 in words is "thirteen billion, forty-two million, four hundred one thousand, five hundred fifty".