40125288047 has 4 divisors (see below), whose sum is σ = 43211848680. Its totient is φ = 37038727416.

The previous prime is 40125288029. The next prime is 40125288103. The reversal of 40125288047 is 74088252104.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40125288047 - 2¹² = 40125283951 is a prime.

It is a super-2 number, since 2×40125288047² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40125287995 and 40125288013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40125288017) 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, 1543280297 + ... + 1543280322.

It is an arithmetic number, because the mean of its divisors is an integer number (10802962170).

Almost surely, 2^40125288047 is an apocalyptic number.

40125288047 is a deficient number, since it is larger than the sum of its proper divisors (3086560633).

40125288047 is a wasteful number, since it uses less digits than its factorization.

40125288047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3086560632.

The product of its (nonzero) digits is 143360, while the sum is 41.

The spelling of 40125288047 in words is "forty billion, one hundred twenty-five million, two hundred eighty-eight thousand, forty-seven".