40232124021 has 16 divisors (see below), whose sum is σ = 54518557184. Its totient is φ = 26384657904.

The previous prime is 40232124007. The next prime is 40232124071. The reversal of 40232124021 is 12042123204.

It is not a de Polignac number, because 40232124021 - 2⁵ = 40232123989 is a prime.

It is a super-2 number, since 2×40232124021² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40232124071) 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, 8466 + ... + 283788.

It is an arithmetic number, because the mean of its divisors is an integer number (3407409824).

Almost surely, 2^40232124021 is an apocalyptic number.

It is an amenable number.

40232124021 is a deficient number, since it is larger than the sum of its proper divisors (14286433163).

40232124021 is a wasteful number, since it uses less digits than its factorization.

40232124021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276120.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 40232124021 its reverse (12042123204), we get a palindrome (52274247225).

The spelling of 40232124021 in words is "forty billion, two hundred thirty-two million, one hundred twenty-four thousand, twenty-one".