40378115245 has 32 divisors (see below), whose sum is σ = 53321748480. Its totient is φ = 29166531840.

The previous prime is 40378115227. The next prime is 40378115251. The reversal of 40378115245 is 54251187304.

40378115245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40378115245 - 2²⁷ = 40243897517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40378115198 and 40378115207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8304115 + ... + 8308975.

It is an arithmetic number, because the mean of its divisors is an integer number (1666304640).

Almost surely, 2^40378115245 is an apocalyptic number.

It is an amenable number.

40378115245 is a deficient number, since it is larger than the sum of its proper divisors (12943633235).

40378115245 is a wasteful number, since it uses less digits than its factorization.

40378115245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7645.

The product of its (nonzero) digits is 134400, while the sum is 40.

The spelling of 40378115245 in words is "forty billion, three hundred seventy-eight million, one hundred fifteen thousand, two hundred forty-five".