40762061377661 has 32 divisors (see below), whose sum is σ = 47980978633728. Its totient is φ = 34269537438720.

The previous prime is 40762061377619. The next prime is 40762061377663. The reversal of 40762061377661 is 16677316026704.

It is a cyclic number.

It is not a de Polignac number, because 40762061377661 - 2¹⁴ = 40762061361277 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40762061377597 and 40762061377606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40762061377663) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 209796986 + ... + 209991188.

It is an arithmetic number, because the mean of its divisors is an integer number (1499405582304).

Almost surely, 2^{40762061377661} is an apocalyptic number.

It is an amenable number.

40762061377661 is a deficient number, since it is larger than the sum of its proper divisors (7218917256067).

40762061377661 is a wasteful number, since it uses less digits than its factorization.

40762061377661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224901.

The product of its (nonzero) digits is 10668672, while the sum is 56.

The spelling of 40762061377661 in words is "forty trillion, seven hundred sixty-two billion, sixty-one million, three hundred seventy-seven thousand, six hundred sixty-one".