153740040 has 32 divisors (see below), whose sum is σ = 461220480. Its totient is φ = 40997312.

The previous prime is 153740029. The next prime is 153740047. The reversal of 153740040 is 40047351.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (153740047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 640464 + ... + 640703.

It is an arithmetic number, because the mean of its divisors is an integer number (14413140).

Almost surely, 2^153740040 is an apocalyptic number.

153740040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

153740040 is an abundant number, since it is smaller than the sum of its proper divisors (307480440).

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

153740040 is a wasteful number, since it uses less digits than its factorization.

153740040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281181 (or 1281177 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 153740040 is about 12399.1951351691. The cubic root of 153740040 is about 535.7090665142.

Adding to 153740040 its reverse (40047351), we get a palindrome (193787391).

The spelling of 153740040 in words is "one hundred fifty-three million, seven hundred forty thousand, forty".