153403232840 has 256 divisors, whose sum is σ = 438389280000. Its totient is φ = 47462215680.

The previous prime is 153403232839. The next prime is 153403232867. The reversal of 153403232840 is 48232304351.

It is a self number, because there is not a number n which added to its sum of digits gives 153403232840.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4002086 + ... + 4040234.

It is an arithmetic number, because the mean of its divisors is an integer number (1712458125).

Almost surely, 2^153403232840 is an apocalyptic number.

153403232840 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 153403232840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219194640000).

153403232840 is an abundant number, since it is smaller than the sum of its proper divisors (284986047160).

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

153403232840 is a wasteful number, since it uses less digits than its factorization.

153403232840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38240 (or 38236 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

The spelling of 153403232840 in words is "one hundred fifty-three billion, four hundred three million, two hundred thirty-two thousand, eight hundred forty".