40077700 has 36 divisors (see below), whose sum is σ = 93661540. Its totient is φ = 14797440.

The previous prime is 40077691. The next prime is 40077703. The reversal of 40077700 is 777004.

It can be written as a sum of positive squares in 6 ways, for example, as 538756 + 39538944 = 734^2 + 6288^2 .

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

It is not an unprimeable number, because it can be changed into a prime (40077703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14115 + ... + 16714.

Almost surely, 2^40077700 is an apocalyptic number.

It is an amenable number.

40077700 is an abundant number, since it is smaller than the sum of its proper divisors (53583840).

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

40077700 is a wasteful number, since it uses less digits than its factorization.

40077700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30856 (or 30849 counting only the distinct ones).

The product of its (nonzero) digits is 1372, while the sum is 25.

The square root of 40077700 is about 6330.6950645249. The cubic root of 40077700 is about 342.2164879913.

The spelling of 40077700 in words is "forty million, seventy-seven thousand, seven hundred".