40420202044442 has 64 divisors (see below), whose sum is σ = 69108814310400. Its totient is φ = 17561490240000.

The previous prime is 40420202044433. The next prime is 40420202044483. The reversal of 40420202044442 is 24444020202404.

It is a junction number, because it is equal to n+sod(n) for n = 40420202044399 and 40420202044408.

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, 599948534 + ... + 600015902.

It is an arithmetic number, because the mean of its divisors is an integer number (1079825223600).

Almost surely, 2^{40420202044442} is an apocalyptic number.

40420202044442 is a deficient number, since it is larger than the sum of its proper divisors (28688612265958).

40420202044442 is a wasteful number, since it uses less digits than its factorization.

40420202044442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76823.

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 40420202044442 its reverse (24444020202404), we get a palindrome (64864222246846).

The spelling of 40420202044442 in words is "forty trillion, four hundred twenty billion, two hundred two million, forty-four thousand, four hundred forty-two".