88250640 has 40 divisors (see below), whose sum is σ = 273577728. Its totient is φ = 23533440.

The previous prime is 88250629. The next prime is 88250647. The reversal of 88250640 is 4605288.

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

It is not an unprimeable number, because it can be changed into a prime (88250647) 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, 183616 + ... + 184095.

Almost surely, 2^88250640 is an apocalyptic number.

88250640 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

88250640 is an abundant number, since it is smaller than the sum of its proper divisors (185327088).

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

88250640 is a wasteful number, since it uses less digits than its factorization.

88250640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367727 (or 367721 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 88250640 is about 9394.1811777291. The cubic root of 88250640 is about 445.2179044745.

The spelling of 88250640 in words is "eighty-eight million, two hundred fifty thousand, six hundred forty".