354516507490 has 16 divisors (see below), whose sum is σ = 638546546880. Its totient is φ = 141713973360.

The previous prime is 354516507461. The next prime is 354516507503. The reversal of 354516507490 is 94705615453.

It is a super-2 number, since 2×354516507490² (a number of 24 digits) contains 22 as substring.

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, 11562630 + ... + 11593249.

It is an arithmetic number, because the mean of its divisors is an integer number (39909159180).

Almost surely, 2^354516507490 is an apocalyptic number.

354516507490 is a deficient number, since it is larger than the sum of its proper divisors (284030039390).

354516507490 is a wasteful number, since it uses less digits than its factorization.

354516507490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23157417.

The product of its (nonzero) digits is 2268000, while the sum is 49.

The spelling of 354516507490 in words is "three hundred fifty-four billion, five hundred sixteen million, five hundred seven thousand, four hundred ninety".