40925957436 has 144 divisors (see below), whose sum is σ = 130286700544. Its totient is φ = 10542607488.

The previous prime is 40925957431. The next prime is 40925957441. The reversal of 40925957436 is 63475952904.

40925957436 is a `hidden beast` number, since 4 + 0 + 9 + 2 + 595 + 7 + 43 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (40925957431) and next prime (40925957441).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40925957431) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4396 + ... + 286131.

Almost surely, 2^40925957436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40925957436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65143350272).

40925957436 is an abundant number, since it is smaller than the sum of its proper divisors (89360743108).

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

40925957436 is a wasteful number, since it uses less digits than its factorization.

40925957436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290600 (or 290595 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 54.

The spelling of 40925957436 in words is "forty billion, nine hundred twenty-five million, nine hundred fifty-seven thousand, four hundred thirty-six".