40745751447853 has 4 divisors (see below), whose sum is σ = 42060130526848. Its totient is φ = 39431372368860.

The previous prime is 40745751447811. The next prime is 40745751447893. The reversal of 40745751447853 is 35874415754704.

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 40745751447853 - 2²¹ = 40745749350701 is a prime.

It is a super-2 number, since 2×40745751447853² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40745751447803) 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, 657189539451 + ... + 657189539512.

It is an arithmetic number, because the mean of its divisors is an integer number (10515032631712).

Almost surely, 2^{40745751447853} is an apocalyptic number.

It is an amenable number.

40745751447853 is a deficient number, since it is larger than the sum of its proper divisors (1314379078995).

40745751447853 is a wasteful number, since it uses less digits than its factorization.

40745751447853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314379078994.

The product of its (nonzero) digits is 263424000, while the sum is 64.

The spelling of 40745751447853 in words is "forty trillion, seven hundred forty-five billion, seven hundred fifty-one million, four hundred forty-seven thousand, eight hundred fifty-three".