154935290849440 has 48 divisors (see below), whose sum is σ = 366737186488680. Its totient is φ = 61855164067840.

The previous prime is 154935290849411. The next prime is 154935290849441. The reversal of 154935290849440 is 44948092539451.

154935290849440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 96620013884304 + 58315276965136 = 9829548^2 + 7636444^2 .

It is not an unprimeable number, because it can be changed into a prime (154935290849441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 929231005 + ... + 929397724.

Almost surely, 2^{154935290849440} is an apocalyptic number.

154935290849440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154935290849440 is an abundant number, since it is smaller than the sum of its proper divisors (211801895639240).

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

154935290849440 is a wasteful number, since it uses less digits than its factorization.

154935290849440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1858629265 (or 1858629257 counting only the distinct ones).

The product of its (nonzero) digits is 223948800, while the sum is 67.

The spelling of 154935290849440 in words is "one hundred fifty-four trillion, nine hundred thirty-five billion, two hundred ninety million, eight hundred forty-nine thousand, four hundred forty".