154012787740 has 24 divisors (see below), whose sum is σ = 369630690912. Its totient is φ = 52804384320.

The previous prime is 154012787711. The next prime is 154012787759. The reversal of 154012787740 is 47787210451.

154012787740 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 550045531 + ... + 550045810.

It is an arithmetic number, because the mean of its divisors is an integer number (15401278788).

Almost surely, 2^154012787740 is an apocalyptic number.

154012787740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154012787740 is an abundant number, since it is smaller than the sum of its proper divisors (215617903172).

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

154012787740 is a wasteful number, since it uses less digits than its factorization.

154012787740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100091357 (or 1100091355 counting only the distinct ones).

The product of its (nonzero) digits is 439040, while the sum is 46.

The spelling of 154012787740 in words is "one hundred fifty-four billion, twelve million, seven hundred eighty-seven thousand, seven hundred forty".