33400340677 has 4 divisors (see below), whose sum is σ = 36436735296. Its totient is φ = 30363946060.

The previous prime is 33400340663. The next prime is 33400340683. The reversal of 33400340677 is 77604300433.

It is a happy number.

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 33400340677 - 2¹⁹ = 33399816389 is a prime.

It is a super-2 number, since 2×33400340677² (a number of 22 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 (33400340377) 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, 1518197293 + ... + 1518197314.

It is an arithmetic number, because the mean of its divisors is an integer number (9109183824).

Almost surely, 2^33400340677 is an apocalyptic number.

It is an amenable number.

33400340677 is a deficient number, since it is larger than the sum of its proper divisors (3036394619).

33400340677 is a wasteful number, since it uses less digits than its factorization.

33400340677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3036394618.

The product of its (nonzero) digits is 127008, while the sum is 37.

The spelling of 33400340677 in words is "thirty-three billion, four hundred million, three hundred forty thousand, six hundred seventy-seven".