1740642442 has 64 divisors (see below), whose sum is σ = 3336929280. Its totient is φ = 661348800.

The previous prime is 1740642433. The next prime is 1740642479. The reversal of 1740642442 is 2442460471.

It is a super-2 number, since 2×1740642442² = 6059672221783446728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1740642398 and 1740642407.

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, 1192309 + ... + 1193767.

It is an arithmetic number, because the mean of its divisors is an integer number (52139520).

Almost surely, 2^1740642442 is an apocalyptic number.

1740642442 is a deficient number, since it is larger than the sum of its proper divisors (1596286838).

1740642442 is a wasteful number, since it uses less digits than its factorization.

1740642442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1667.

The product of its (nonzero) digits is 43008, while the sum is 34.

The square root of 1740642442 is about 41721.0072026072. The cubic root of 1740642442 is about 1202.9193831127.

The spelling of 1740642442 in words is "one billion, seven hundred forty million, six hundred forty-two thousand, four hundred forty-two".