40621450430352 has 40 divisors (see below), whose sum is σ = 114478633032480. Its totient is φ = 12309530433280.

The previous prime is 40621450430273. The next prime is 40621450430357. The reversal of 40621450430352 is 25303405412604.

It is a self number, because there is not a number n which added to its sum of digits gives 40621450430352.

It is not an unprimeable number, because it can be changed into a prime (40621450430357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38467282077 + ... + 38467283132.

It is an arithmetic number, because the mean of its divisors is an integer number (2861965825812).

Almost surely, 2^{40621450430352} is an apocalyptic number.

It is an amenable number.

40621450430352 is an abundant number, since it is smaller than the sum of its proper divisors (73857182602128).

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

40621450430352 is a wasteful number, since it uses less digits than its factorization.

40621450430352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76934565231 (or 76934565225 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 39.

Adding to 40621450430352 its reverse (25303405412604), we get a palindrome (65924855842956).

The spelling of 40621450430352 in words is "forty trillion, six hundred twenty-one billion, four hundred fifty million, four hundred thirty thousand, three hundred fifty-two".