354155040 has 72 divisors (see below), whose sum is σ = 1208558988. Its totient is φ = 94440960.

The previous prime is 354155023. The next prime is 354155057. The reversal of 354155040 is 40551453.

354155040 is a `hidden beast` number, since 35 + 41 + 550 + 40 = 666.

It is an interprime number because it is at equal distance from previous prime (354155023) and next prime (354155057).

It can be written as a sum of positive squares in 2 ways, for example, as 327899664 + 26255376 = 18108^2 + 5124^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a junction number, because it is equal to n+sod(n) for n = 354154995 and 354155013.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 121531 + ... + 124410.

Almost surely, 2^354155040 is an apocalyptic number.

354155040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

354155040 is an abundant number, since it is smaller than the sum of its proper divisors (854403948).

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

354155040 is a wasteful number, since it uses less digits than its factorization.

354155040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245962 (or 245951 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 354155040 is about 18819.0074127197. The cubic root of 354155040 is about 707.5076534859.

The spelling of 354155040 in words is "three hundred fifty-four million, one hundred fifty-five thousand, forty".