153640773984 has 96 divisors (see below), whose sum is σ = 411427102464. Its totient is φ = 50184875520.

The previous prime is 153640773953. The next prime is 153640773989. The reversal of 153640773984 is 489377046351.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153640773989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4169079 + ... + 4205769.

It is an arithmetic number, because the mean of its divisors is an integer number (4285698984).

Almost surely, 2^153640773984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 153640773984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205713551232).

153640773984 is an abundant number, since it is smaller than the sum of its proper divisors (257786328480).

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

153640773984 is a wasteful number, since it uses less digits than its factorization.

153640773984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37580 (or 37572 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 57.

The spelling of 153640773984 in words is "one hundred fifty-three billion, six hundred forty million, seven hundred seventy-three thousand, nine hundred eighty-four".