154202553420240 has 160 divisors (see below), whose sum is σ = 525752470688256. Its totient is φ = 37149944094720.

The previous prime is 154202553420229. The next prime is 154202553420247. The reversal of 154202553420240 is 42024355202451.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154202553420247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 525639481 + ... + 525932760.

Almost surely, 2^{154202553420240} is an apocalyptic number.

154202553420240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154202553420240 is an abundant number, since it is smaller than the sum of its proper divisors (371549917268016).

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

154202553420240 is a wasteful number, since it uses less digits than its factorization.

154202553420240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051572317 (or 1051572311 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 39.

The spelling of 154202553420240 in words is "one hundred fifty-four trillion, two hundred two billion, five hundred fifty-three million, four hundred twenty thousand, two hundred forty".