40464151251 has 8 divisors (see below), whose sum is σ = 54226071504. Its totient is φ = 26839165920.

The previous prime is 40464151219. The next prime is 40464151253. The reversal of 40464151251 is 15215146404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40464151251 - 2⁵ = 40464151219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40464151253) 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, 34233040 + ... + 34234221.

It is an arithmetic number, because the mean of its divisors is an integer number (6778258938).

Almost surely, 2^40464151251 is an apocalyptic number.

40464151251 is a deficient number, since it is larger than the sum of its proper divisors (13761920253).

40464151251 is a wasteful number, since it uses less digits than its factorization.

40464151251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68467461.

The product of its (nonzero) digits is 19200, while the sum is 33.

Adding to 40464151251 its reverse (15215146404), we get a palindrome (55679297655).

The spelling of 40464151251 in words is "forty billion, four hundred sixty-four million, one hundred fifty-one thousand, two hundred fifty-one".