40742143573 has 16 divisors (see below), whose sum is σ = 42452874112. Its totient is φ = 39068568000.

The previous prime is 40742143567. The next prime is 40742143583. The reversal of 40742143573 is 37534124704.

It is a cyclic number.

It is not a de Polignac number, because 40742143573 - 2¹³ = 40742135381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40742143513) 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, 1404688 + ... + 1433398.

It is an arithmetic number, because the mean of its divisors is an integer number (2653304632).

Almost surely, 2^40742143573 is an apocalyptic number.

40742143573 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

40742143573 is a deficient number, since it is larger than the sum of its proper divisors (1710730539).

40742143573 is a wasteful number, since it uses less digits than its factorization.

40742143573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29356.

The product of its (nonzero) digits is 282240, while the sum is 40.

The spelling of 40742143573 in words is "forty billion, seven hundred forty-two million, one hundred forty-three thousand, five hundred seventy-three".