401010775 has 24 divisors (see below), whose sum is σ = 545107968. Its totient is φ = 290220000.

The previous prime is 401010697. The next prime is 401010793. The reversal of 401010775 is 577010104.

It is not a de Polignac number, because 401010775 - 2¹⁹ = 400486487 is a prime.

It is a super-2 number, since 2×401010775² = 321619283332201250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54570 + ... + 61480.

It is an arithmetic number, because the mean of its divisors is an integer number (22712832).

Almost surely, 2^401010775 is an apocalyptic number.

401010775 is a deficient number, since it is larger than the sum of its proper divisors (144097193).

401010775 is a wasteful number, since it uses less digits than its factorization.

401010775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7143 (or 7138 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 25.

The square root of 401010775 is about 20025.2534316048. The cubic root of 401010775 is about 737.4263988601.

Adding to 401010775 its reverse (577010104), we get a palindrome (978020879).

The spelling of 401010775 in words is "four hundred one million, ten thousand, seven hundred seventy-five".