354405402545442 has 32 divisors (see below), whose sum is σ = 739629720087552. Its totient is φ = 112998662986704.

The previous prime is 354405402545429. The next prime is 354405402545449. The reversal of 354405402545442 is 244545204504453.

It is not an unprimeable number, because it can be changed into a prime (354405402545449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129291993 + ... + 132004659.

It is an arithmetic number, because the mean of its divisors is an integer number (23113428752736).

Almost surely, 2^{354405402545442} is an apocalyptic number.

354405402545442 is an abundant number, since it is smaller than the sum of its proper divisors (385224317542110).

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

354405402545442 is a wasteful number, since it uses less digits than its factorization.

354405402545442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3659422.

The product of its (nonzero) digits is 30720000, while the sum is 51.

The spelling of 354405402545442 in words is "three hundred fifty-four trillion, four hundred five billion, four hundred two million, five hundred forty-five thousand, four hundred forty-two".