40455242501 has 4 divisors (see below), whose sum is σ = 42214166112. Its totient is φ = 38696318892.

The previous prime is 40455242497. The next prime is 40455242519. The reversal of 40455242501 is 10524255404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40455242501 - 2² = 40455242497 is a prime.

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 (40455242591) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 879461771 + ... + 879461816.

It is an arithmetic number, because the mean of its divisors is an integer number (10553541528).

Almost surely, 2^40455242501 is an apocalyptic number.

It is an amenable number.

40455242501 is a deficient number, since it is larger than the sum of its proper divisors (1758923611).

40455242501 is a wasteful number, since it uses less digits than its factorization.

40455242501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1758923610.

The product of its (nonzero) digits is 32000, while the sum is 32.

Adding to 40455242501 its reverse (10524255404), we get a palindrome (50979497905).

The spelling of 40455242501 in words is "forty billion, four hundred fifty-five million, two hundred forty-two thousand, five hundred one".