15401846040 has 256 divisors, whose sum is σ = 55317841920. Its totient is φ = 3354193920.

The previous prime is 15401846029. The next prime is 15401846051. The reversal of 15401846040 is 4064810451.

It is an interprime number because it is at equal distance from previous prime (15401846029) and next prime (15401846051).

It is a super-2 number, since 2×15401846040² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15401845992 and 15401846010.

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 63 ways as a sum of consecutive naturals, for example, 5427502 + ... + 5430338.

It is an arithmetic number, because the mean of its divisors is an integer number (216085320).

Almost surely, 2^15401846040 is an apocalyptic number.

15401846040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15401846040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27658920960).

15401846040 is an abundant number, since it is smaller than the sum of its proper divisors (39915995880).

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

15401846040 is a wasteful number, since it uses less digits than its factorization.

15401846040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3162 (or 3158 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The spelling of 15401846040 in words is "fifteen billion, four hundred one million, eight hundred forty-six thousand, forty".