345630252770 has 48 divisors (see below), whose sum is σ = 687075165504. Its totient is φ = 125087978400.

The previous prime is 345630252767. The next prime is 345630252787. The reversal of 345630252770 is 77252036543.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 421574 + ... + 932193.

It is an arithmetic number, because the mean of its divisors is an integer number (14314065948).

Almost surely, 2^345630252770 is an apocalyptic number.

345630252770 is a deficient number, since it is larger than the sum of its proper divisors (341444912734).

345630252770 is a wasteful number, since it uses less digits than its factorization.

345630252770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1354007 (or 1353996 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 44.

The spelling of 345630252770 in words is "three hundred forty-five billion, six hundred thirty million, two hundred fifty-two thousand, seven hundred seventy".