740185309142 has 16 divisors (see below), whose sum is σ = 1110940131600. Its totient is φ = 369872004480.

The previous prime is 740185309139. The next prime is 740185309169. The reversal of 740185309142 is 241903581047.

It is a junction number, because it is equal to n+sod(n) for n = 740185309093 and 740185309102.

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, 25396034 + ... + 25425162.

It is an arithmetic number, because the mean of its divisors is an integer number (69433758225).

Almost surely, 2^740185309142 is an apocalyptic number.

740185309142 is a deficient number, since it is larger than the sum of its proper divisors (370754822458).

740185309142 is a wasteful number, since it uses less digits than its factorization.

740185309142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36271.

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 740185309142 in words is "seven hundred forty billion, one hundred eighty-five million, three hundred nine thousand, one hundred forty-two".