40420477701 has 6 divisors (see below), whose sum is σ = 58385134470. Its totient is φ = 26946985128.

The previous prime is 40420477667. The next prime is 40420477753. The reversal of 40420477701 is 10777402404.

40420477701 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 27657353025 + 12763124676 = 166305^2 + 112974^2 .

It is not a de Polignac number, because 40420477701 - 2¹⁸ = 40420215557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40400477701) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2245582086 + ... + 2245582103.

It is an arithmetic number, because the mean of its divisors is an integer number (9730855745).

Almost surely, 2^40420477701 is an apocalyptic number.

It is an amenable number.

40420477701 is a deficient number, since it is larger than the sum of its proper divisors (17964656769).

40420477701 is a wasteful number, since it uses less digits than its factorization.

40420477701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4491164195 (or 4491164192 counting only the distinct ones).

The product of its (nonzero) digits is 43904, while the sum is 36.

The spelling of 40420477701 in words is "forty billion, four hundred twenty million, four hundred seventy-seven thousand, seven hundred one".