740700156442 has 4 divisors (see below), whose sum is σ = 1111050234666. Its totient is φ = 370350078220.

The previous prime is 740700156407. The next prime is 740700156451. The reversal of 740700156442 is 244651007047.

740700156442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 684923415201 + 55776741241 = 827601^2 + 236171^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 740700156395 and 740700156404.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 185175039109 + ... + 185175039112.

Almost surely, 2^740700156442 is an apocalyptic number.

740700156442 is a deficient number, since it is larger than the sum of its proper divisors (370350078224).

740700156442 is a wasteful number, since it uses less digits than its factorization.

740700156442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370350078223.

The product of its (nonzero) digits is 188160, while the sum is 40.

The spelling of 740700156442 in words is "seven hundred forty billion, seven hundred million, one hundred fifty-six thousand, four hundred forty-two".