355490967742 has 4 divisors (see below), whose sum is σ = 533236451616. Its totient is φ = 177745483870.

The previous prime is 355490967739. The next prime is 355490967761. The reversal of 355490967742 is 247769094553.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 247769094553 = 857 ⋅289112129.

It is a super-2 number, since 2×355490967742² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 88872741934 + ... + 88872741937.

It is an arithmetic number, because the mean of its divisors is an integer number (133309112904).

Almost surely, 2^355490967742 is an apocalyptic number.

355490967742 is a deficient number, since it is larger than the sum of its proper divisors (177745483874).

355490967742 is a wasteful number, since it uses less digits than its factorization.

355490967742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177745483873.

The product of its (nonzero) digits is 57153600, while the sum is 61.

The spelling of 355490967742 in words is "three hundred fifty-five billion, four hundred ninety million, nine hundred sixty-seven thousand, seven hundred forty-two".