40370805773 has 4 divisors (see below), whose sum is σ = 40519775808. Its totient is φ = 40221835740.

The previous prime is 40370805749. The next prime is 40370805781. The reversal of 40370805773 is 37750807304.

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 40370805773 - 2¹² = 40370801677 is a prime.

It is a super-2 number, since 2×40370805773² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40370805173) 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, 74484611 + ... + 74485152.

It is an arithmetic number, because the mean of its divisors is an integer number (10129943952).

Almost surely, 2^40370805773 is an apocalyptic number.

It is an amenable number.

40370805773 is a deficient number, since it is larger than the sum of its proper divisors (148970035).

40370805773 is a wasteful number, since it uses less digits than its factorization.

40370805773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148970034.

The product of its (nonzero) digits is 493920, while the sum is 44.

The spelling of 40370805773 in words is "forty billion, three hundred seventy million, eight hundred five thousand, seven hundred seventy-three".