345414442040 has 32 divisors (see below), whose sum is σ = 777651673680. Its totient is φ = 138082367232.

The previous prime is 345414442033. The next prime is 345414442069. The reversal of 345414442040 is 40244414543.

It is a super-2 number, since 2×345414442040² (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 in 7 ways as a sum of consecutive naturals, for example, 2539442 + ... + 2672001.

Almost surely, 2^345414442040 is an apocalyptic number.

It is an amenable number.

345414442040 is an abundant number, since it is smaller than the sum of its proper divisors (432237231640).

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

345414442040 is a wasteful number, since it uses less digits than its factorization.

345414442040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5213111 (or 5213107 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 35.

Adding to 345414442040 its reverse (40244414543), we get a palindrome (385658856583).

The spelling of 345414442040 in words is "three hundred forty-five billion, four hundred fourteen million, four hundred forty-two thousand, forty".