826260240 has 80 divisors (see below), whose sum is σ = 2758448448. Its totient is φ = 203386368.

The previous prime is 826260233. The next prime is 826260287. The reversal of 826260240 is 42062628.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 826260198 and 826260207.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129294 + ... + 135533.

Almost surely, 2^826260240 is an apocalyptic number.

826260240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

826260240 is an abundant number, since it is smaller than the sum of its proper divisors (1932188208).

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

826260240 is a wasteful number, since it uses less digits than its factorization.

826260240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264856 (or 264850 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 826260240 is about 28744.7428236886. The cubic root of 826260240 is about 938.3660462928.

The spelling of 826260240 in words is "eight hundred twenty-six million, two hundred sixty thousand, two hundred forty".