42040325220454 has 64 divisors (see below), whose sum is σ = 69307422888960. Its totient is φ = 18967040075520.

The previous prime is 42040325220449. The next prime is 42040325220473. The reversal of 42040325220454 is 45402252304024.

It is a happy number.

It is a super-2 number, since 2×42040325220454² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

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, 2808485082 + ... + 2808500050.

It is an arithmetic number, because the mean of its divisors is an integer number (1082928482640).

Almost surely, 2^{42040325220454} is an apocalyptic number.

42040325220454 is a deficient number, since it is larger than the sum of its proper divisors (27267097668506).

42040325220454 is a wasteful number, since it uses less digits than its factorization.

42040325220454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17005.

The product of its (nonzero) digits is 307200, while the sum is 37.

Adding to 42040325220454 its reverse (45402252304024), we get a palindrome (87442577524478).

The spelling of 42040325220454 in words is "forty-two trillion, forty billion, three hundred twenty-five million, two hundred twenty thousand, four hundred fifty-four".