40453121532 has 48 divisors (see below), whose sum is σ = 96929021952. Its totient is φ = 13125752640.

The previous prime is 40453121519. The next prime is 40453121537. The reversal of 40453121532 is 23512135404.

It is a self number, because there is not a number n which added to its sum of digits gives 40453121532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40453121537) 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, 169644 + ... + 331187.

It is an arithmetic number, because the mean of its divisors is an integer number (2019354624).

Almost surely, 2^40453121532 is an apocalyptic number.

It is an amenable number.

40453121532 is an abundant number, since it is smaller than the sum of its proper divisors (56475900420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40453121532 is a wasteful number, since it uses less digits than its factorization.

40453121532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501018 (or 501016 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 40453121532 its reverse (23512135404), we get a palindrome (63965256936).

The spelling of 40453121532 in words is "forty billion, four hundred fifty-three million, one hundred twenty-one thousand, five hundred thirty-two".