403461165220240 has 40 divisors (see below), whose sum is σ = 938048322192120. Its totient is φ = 161384274594816.

The previous prime is 403461165220207. The next prime is 403461165220249. The reversal of 403461165220240 is 42022561164304.

It can be written as a sum of positive squares in 4 ways, for example, as 89828541195264 + 313632624024976 = 9477792^2 + 17709676^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 403461165220193 and 403461165220202.

It is not an unprimeable number, because it can be changed into a prime (403461165220249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78706482 + ... + 83675758.

It is an arithmetic number, because the mean of its divisors is an integer number (23451208054803).

Almost surely, 2^{403461165220240} is an apocalyptic number.

403461165220240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

403461165220240 is an abundant number, since it is smaller than the sum of its proper divisors (534587156971880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

403461165220240 is a wasteful number, since it uses less digits than its factorization.

403461165220240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5984179 (or 5984173 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 40.

The spelling of 403461165220240 in words is "four hundred three trillion, four hundred sixty-one billion, one hundred sixty-five million, two hundred twenty thousand, two hundred forty".