740404402152345 has 48 divisors (see below), whose sum is σ = 1480413394811520. Its totient is φ = 335307307341312.

The previous prime is 740404402152343. The next prime is 740404402152361. The reversal of 740404402152345 is 543251204404047.

740404402152345 is a `hidden beast` number, since 7 + 4 + 0 + 4 + 0 + 4 + 402 + 1 + 5 + 234 + 5 = 666.

It is not a de Polignac number, because 740404402152345 - 2¹ = 740404402152343 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 740404402152345.

It is not an unprimeable number, because it can be changed into a prime (740404402152343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10983565200 + ... + 10983632609.

It is an arithmetic number, because the mean of its divisors is an integer number (30841945725240).

Almost surely, 2^{740404402152345} is an apocalyptic number.

It is an amenable number.

740404402152345 is a deficient number, since it is larger than the sum of its proper divisors (740008992659175).

740404402152345 is a wasteful number, since it uses less digits than its factorization.

740404402152345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21967197934 (or 21967197931 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 45.

The spelling of 740404402152345 in words is "seven hundred forty trillion, four hundred four billion, four hundred two million, one hundred fifty-two thousand, three hundred forty-five".