1740442644402 has 64 divisors (see below), whose sum is σ = 4341447604224. Its totient is φ = 451891923840.

The previous prime is 1740442644373. The next prime is 1740442644431. The reversal of 1740442644402 is 2044462440471.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1740442644373) and next prime (1740442644431).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 511318 + ... + 1934510.

It is an arithmetic number, because the mean of its divisors is an integer number (67835118816).

Almost surely, 2^{1740442644402} is an apocalyptic number.

1740442644402 is an abundant number, since it is smaller than the sum of its proper divisors (2601004959822).

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

1740442644402 is a wasteful number, since it uses less digits than its factorization.

1740442644402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1425863.

The product of its (nonzero) digits is 688128, while the sum is 42.

The spelling of 1740442644402 in words is "one trillion, seven hundred forty billion, four hundred forty-two million, six hundred forty-four thousand, four hundred two".