4002145739042 has 32 divisors (see below), whose sum is σ = 6612961176000. Its totient is φ = 1801395002880.

The previous prime is 4002145739041. The next prime is 4002145739051. The reversal of 4002145739042 is 2409375412004.

It is not an unprimeable number, because it can be changed into a prime (4002145739041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5237834 + ... + 5953082.

It is an arithmetic number, because the mean of its divisors is an integer number (206655036750).

Almost surely, 2^{4002145739042} is an apocalyptic number.

4002145739042 is a deficient number, since it is larger than the sum of its proper divisors (2610815436958).

4002145739042 is a wasteful number, since it uses less digits than its factorization.

4002145739042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717746.

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 4002145739042 in words is "four trillion, two billion, one hundred forty-five million, seven hundred thirty-nine thousand, forty-two".