3702624640042 has 4 divisors (see below), whose sum is σ = 5553936960066. Its totient is φ = 1851312320020.

The previous prime is 3702624640019. The next prime is 3702624640061. The reversal of 3702624640042 is 2400464262073.

It is a happy number.

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., 3669910321401 + 32714318641 = 1915701^2 + 180871^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3702624639977 and 3702624640004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 925656160009 + ... + 925656160012.

Almost surely, 2^{3702624640042} is an apocalyptic number.

3702624640042 is a deficient number, since it is larger than the sum of its proper divisors (1851312320024).

3702624640042 is a wasteful number, since it uses less digits than its factorization.

3702624640042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1851312320023.

The product of its (nonzero) digits is 387072, while the sum is 40.

The spelling of 3702624640042 in words is "three trillion, seven hundred two billion, six hundred twenty-four million, six hundred forty thousand, forty-two".