1235664370442 has 16 divisors (see below), whose sum is σ = 1953995000832. Its totient is φ = 585180791760.

The previous prime is 1235664370433. The next prime is 1235664370541. The reversal of 1235664370442 is 2440734665321.

It is a Harshad number since it is a multiple of its sum of digits (47).

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, 212019113 + ... + 212024940.

It is an arithmetic number, because the mean of its divisors is an integer number (122124687552).

Almost surely, 2^{1235664370442} is an apocalyptic number.

1235664370442 is a deficient number, since it is larger than the sum of its proper divisors (718330630390).

1235664370442 is a wasteful number, since it uses less digits than its factorization.

1235664370442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424044133.

The product of its (nonzero) digits is 2903040, while the sum is 47.

The spelling of 1235664370442 in words is "one trillion, two hundred thirty-five billion, six hundred sixty-four million, three hundred seventy thousand, four hundred forty-two".