40750780 has 24 divisors (see below), whose sum is σ = 97802208. Its totient is φ = 13971648.

The previous prime is 40750777. The next prime is 40750781. The reversal of 40750780 is 8705704.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40750781) 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, 145399 + ... + 145678.

It is an arithmetic number, because the mean of its divisors is an integer number (4075092).

Almost surely, 2^40750780 is an apocalyptic number.

It is an amenable number.

40750780 is an abundant number, since it is smaller than the sum of its proper divisors (57051428).

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

40750780 is a wasteful number, since it uses less digits than its factorization.

40750780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291093 (or 291091 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 40750780 is about 6383.6337614246. The cubic root of 40750780 is about 344.1216331186.

The spelling of 40750780 in words is "forty million, seven hundred fifty thousand, seven hundred eighty".